The DP World Tour and Blue Bay LPGA are also taking place
Ireland's Shane Lowry leads by a shot after round one of the Arnold Palmer Invitational on the PGA Tour in Florida.
The Offaly native is 6 under par, with Seamus Power level par and Rory McIlroy 1 over.
On the DP World Tour, Tom McKibbin is third on day two of the Jonsson Workwear Open in South Africa.
He's 13 under for the tournament after a second round of 64 - two shots behind the leader Matteo Manassero who's on 15 under.
Stephanie Meadow is in a tie for 6th after day two of the Blue Bay LPGA in China.
She's 6 under par, three shots behind the leaders.

Thursday Morning Sports Update
Constitution Hill Will Not Run In The Champion Hurdle At Cheltenham Festival
ROI To Host Israel At The Aviva Stadium For Men's Nations League Clash
Chelsea And West Ham Face Hefty Fines After Confrontation At Stamford Bridge
Katie Taylor Set To Retire This Summer
Connacht Forward Coach Under No Pressure To Give Bundee Aki Playing Time This Weekend
Wednesday Morning Sports Update
Ireland To Play Australia In Their Opening Nations Championship This Summer